Finding the Fourth Proportional to 327,771.36, 491,657.04 and 187,431.84
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Solution
The fourth proportional to 327,771.36, 491,657.04 and 187,431.84 is: 281,147.76
Step by Step Solution
- Step 1: Write the proportion equation
327,771.36 : 491,657.04 = 187,431.84 : x - Step 2: Convert to fraction form
327,771.36/491,657.04 = 187,431.84/x - Step 3: Cross multiply
327,771.36x = 491,657.04 × 187,431.84 - Step 4: Simplify right side
327,771.36x = 92,152,183,656.15 - Step 5: Solve for x
x = 92,152,183,656.15/327,771.36 - Step 6: Final answer
x = 281,147.76
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.